Canadian Biomass Magazine

Rotochopper offers new chipper package

December 21, 2015
By Rotochopper Inc.

December 21, 2015 - Rotochopper and Key Knife recently announced the launch of the KeyKnife chipper knife package, which allows horizontal grinder owners to chip and grind with a single machine.


A chipper mount uses the same patented mounting system as a grinder tooth mount.

The chipper knife package is a bolt-in option that works with the standard patented replaceable mount rotor for the Rotochopper B-66 and B-66 E. This chipper knife system makes it simple to diversify into chipping applications without a complex conversion kit or a second machine.

“The Rotochopper Key Knife system is simple, reliable and adds more flexibility to our B66,” said Steve Marks of Marks Lumber in Clancy, Mont. “Because this system is simple, there are fewer problems the operator has to deal with when downtime occurs. Also, with this system we can add more value added products to our line of products made with our B66.”

To switch from grinding to chipping, the operator does not need to swap the whole rotor drum or assemble a complex overlay onto the grinding rotor—the operator simply swaps the grinder tooth mounts with chipper knife mounts.

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A single operator can switch from grinder teeth to chipper knives quickly and easily:
•No rod pullers or other specialized tools required (just a torque wrench)
•No need to swap rotors, re-align sheaves, or re-tension drive belts
•Just two bolts per knife mount and two bolts per knife clamp

Simplified maintenance and operation
This system utilizes patented Key Knife technology to minimize knife replacement costs. Key Knife chipping inserts are indexable (reversible). By loosening the knife clamp bolts, the operator can flip the knife to utilize a second chipping edge. A Key Knife insert uses significantly less steel than a traditional chipper knife, making handling and replacement easier. The chipper blade on each mount is much narrower than traditional chipper knifes, helping to minimize the maintenance costs that can result from rocks, metal, and other contaminants.

About Key Knife
Key Knife specializes in chipping, flaking, and planing systems that maximize production rates and product quality, while minimizing maintenance costs. Key Knife products are used by sawmills, pulp mills, loggers, biomass fuel producers, OSB plants, particleboard plants, and many other companies around the world. For more information, visit www.rotochopper.com.


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